Abstract— The objective of this study was to analyze the
relationship between annual rainfall and the ocean indices as
summer monsoon, the Indian Ocean Dipole (IOD) and the El
Niño-Southern Oscillation (ENSO), as corresponding to the
flooding in the Northeast by integrating Geo-informatics
Technology and statistical. In the whole Northeast, rainfall and
flooding are the greatest importance for agriculture, human
societies and animals. The result revealed that, the Northeast was
a approximate mean annual rainfalls range of 900-3000 mm.
Mostly of mean annual rainfall was highest in northeast, while
lowest in southwest of the Northeast. The mean annual rainfalls
had relationship with the summer monsoon (WNPMI and IMI)
and were 0.468 and 0.421, respectively. Moreover, it was found
that heavy rain in the Northeast was induced by strong summer
monsoon. In addition, the relationship between annual rainfall
and IOD (DMI) was 0.109. It was the high DMI value which
induced to low rainfall. Furthermore, between the annual rainfall
and ENSO (MEI) was 0.689 which also corresponding to DMI.
Moreover, a flooded areas was the highest at 10,125.58 km2
in
2010 and follow by 8,854.86 km2
as correspond with a second of
highest in 2002. However the ocean indices can be explain a
variability of rainfall and flooding in the Northeast. The a
variability of rainfall and extreme of flooding in the Northeast
are dependent on dynamic factors and included climate change.
So the people should adapt to the climate variability or climate
change for sustainability of natural resource and good wellbeing
Analyzing relationship between the interannual
rainfall variability and the ocean indices as related
to flooding in Northeast Thailand
Abstract— The objective of this study was to analyze the
relationship between annual rainfall and the ocean indices as
summer monsoon, the Indian Ocean Dipole (IOD) and the El
Niño-Southern Oscillation (ENSO), as corresponding to the
flooding in the Northeast by integrating Geo-informatics
Technology and statistical. In the whole Northeast, rainfall and
flooding are the greatest importance for agriculture, human
societies and animals. The result revealed that, the Northeast was
a approximate mean annual rainfalls range of 900-3000 mm.
Mostly of mean annual rainfall was highest in northeast, while
lowest in southwest of the Northeast. The mean annual rainfalls
had relationship with the summer monsoon (WNPMI and IMI)
and were 0.468 and 0.421, respectively. Moreover, it was found
that heavy rain in the Northeast was induced by strong summer
monsoon. In addition, the relationship between annual rainfall
and IOD (DMI) was 0.109. It was the high DMI value which
induced to low rainfall. Furthermore, between the annual rainfall
and ENSO (MEI) was 0.689 which also corresponding to DMI.
Moreover, a flooded areas was the highest at 10,125.58 km2
in
2010 and follow by 8,854.86 km2
as correspond with a second of
highest in 2002. However the ocean indices can be explain a
variability of rainfall and flooding in the Northeast. The a
variability of rainfall and extreme of flooding in the Northeast
are dependent on dynamic factors and included climate change.
So the people should adapt to the climate variability or climate
change for sustainability of natural resource and good wellbeing
Analyzing relationship between the interannual
rainfall variability and the ocean indices as related
to flooding in Northeast Thailand
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